The direct-drive rotary screw compressors from Kaeser offer powerful and energy-efficient performance. In these direct-drive models the motor is directly connected to the airend with a one-to-one coupling for maximum transmission efficiency.
- Up to 700 hp
- Zero-loss power transmission
- Large, slower turning airends save additional energy.
- Available with integrated dryers and variable speed drive (SFC)
| Series | HP | Flow (cfm) |
| ASD | 25 – 40 | to 174 |
| BSD | 40 – 60 | to 288 |
| CSD | 60 – 125 | to 587 |
| DSD | 125 – 250 | to 1090 |
| ESD | 250 – 300 | to 1571 |
| FSD | 350 – 450 | to 2057 |
| HSD | 500 – 700 | to 3133 |